Octagon Girl Arianny Celeste explains on-stage reactions at UFC weigh ins

The camera adds 10 pounds. No wonder so many fighters miss weight!

Ultimate Fighting Championship (UFC) Octagon Girl Arianny Celeste is locked in a head-to-head battle with color commentator and weigh-in emcee Joe Rogan for the best facial expressions when ZUFFA fighters tip the scale before every event.

See what the "Fear Factor" host is capable of here.

The only difference between him and Celeste is that Rogan isn't forced to wear a bikini while on the clock, which she tells UFC.com can make her self-conscious about her looks -- especially in the shadow of so many totally bodacious bods.

"When I am going out [on stage], I'm just thinking, obviously, 'I hope I look good.' The guys have some of the most amazing bodies ever, so you know, it's kind of interesting to watch. But when I am watching the promos, especially when it is a huge fight, I just get goosebumps just to wake up and go to the fight."

See an example here.

Check out the video above and see if you can beat it in the comments section below. Beat the video, that is, with some of the funny GIFs floating around the net.

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